Static task
static1
Behavioral task
behavioral1
Sample
Yamultur 2.0.exe
Resource
win10-20230220-en
General
-
Target
Yamultur 2.0.exe
-
Size
836KB
-
MD5
b8a406bac157cc65c87fa7e4c1b91b0c
-
SHA1
26a796c659b5a01d6f0362e88c54e4fa83da37c1
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SHA256
654a2e77e29a99e1312e46b9ab3d75eb47b27b2c173ad22e0b9210959862f3d2
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SHA512
dacc19b49f9f410c690cfda42a0f0f0c09546a68ff8b2f2847313f5d38d851821d9ef8ca9172ef6c626e0ee1c203b05bbeafb33940502b7f5a483718d54c890e
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SSDEEP
6144:E0tsc7vvbCT3Nc2ADZonfyvVgUId7FtC2:NWcrucpFSyNgUINC2
Malware Config
Signatures
-
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource Yamultur 2.0.exe
Files
-
Yamultur 2.0.exe.exe windows x86
Password: kkkkk
08fc59244333a7db48dae5149aa00441
Headers
File Characteristics
IMAGE_FILE_RELOCS_STRIPPED
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LINE_NUMS_STRIPPED
IMAGE_FILE_LOCAL_SYMS_STRIPPED
IMAGE_FILE_32BIT_MACHINE
Imports
msvbvm60
__vbaVarSub
__vbaStrI2
_CIcos
_adj_fptan
__vbaVarMove
__vbaFreeVar
__vbaGosubReturn
ord588
__vbaLenBstr
__vbaStrVarMove
__vbaLateIdCall
__vbaEnd
__vbaFreeVarList
_adj_fdiv_m64
__vbaRaiseEvent
__vbaFreeObjList
_adj_fprem1
__vbaCopyBytes
__vbaStrCat
__vbaSetSystemError
__vbaHresultCheckObj
_adj_fdiv_m32
__vbaAryDestruct
__vbaLateMemSt
__vbaExitProc
__vbaI4Abs
ord595
__vbaObjSet
__vbaOnError
_adj_fdiv_m16i
__vbaObjSetAddref
_adj_fdivr_m16i
ord598
__vbaFpR4
__vbaBoolVar
__vbaBoolVarNull
__vbaFpR8
__vbaVarTstLt
_CIsin
__vbaVargVarMove
__vbaChkstk
__vbaGosubFree
EVENT_SINK_AddRef
__vbaGenerateBoundsError
__vbaStrCmp
__vbaAryConstruct2
__vbaObjVar
__vbaI2I4
DllFunctionCall
__vbaVarLateMemSt
__vbaFpUI1
__vbaCastObjVar
_adj_fpatan
__vbaR4Var
__vbaLateIdCallLd
__vbaRedim
__vbaStrR8
EVENT_SINK_Release
ord600
__vbaUI1I2
_CIsqrt
__vbaObjIs
EVENT_SINK_QueryInterface
__vbaVarMul
__vbaUI1I4
__vbaExceptHandler
__vbaStrToUnicode
ord712
_adj_fprem
_adj_fdivr_m64
__vbaGosub
__vbaVarDiv
__vbaI2Str
ord608
__vbaFPException
ord319
__vbaStrVarVal
__vbaVarCat
__vbaI2Var
_CIlog
__vbaErrorOverflow
__vbaNew2
__vbaR8Str
_adj_fdiv_m32i
_adj_fdivr_m32i
ord573
__vbaStrCopy
ord681
__vbaI4Str
__vbaFreeStrList
_adj_fdivr_m32
_adj_fdiv_r
ord685
ord100
__vbaVarTstNe
__vbaI4Var
__vbaAryLock
__vbaLateMemCall
__vbaVarAdd
ord320
__vbaStrToAnsi
ord612
__vbaVarDup
ord321
__vbaFpI2
__vbaVarTstGe
__vbaVarLateMemCallLd
__vbaVarCopy
__vbaFpI4
__vbaLateMemCallLd
_CIatan
__vbaCastObj
__vbaStrMove
ord543
_allmul
__vbaLateIdSt
ord544
_CItan
__vbaAryUnlock
ord547
_CIexp
__vbaFreeStr
__vbaFreeObj
ord581
Sections
.text Size: 820KB - Virtual size: 818KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.data Size: 4KB - Virtual size: 21KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 8KB - Virtual size: 4KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ